diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 00000000000..89fbcffd15a
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,101 @@
+name: Build arm64 static from source
+on: workflow_dispatch
+jobs:
+  build:
+    runs-on: macos-14
+    steps:
+      - uses: actions/checkout@v4
+      
+      - name: Check required protobuf version
+        run: |
+          echo "=== Checking grpc-java's expected protobuf version ==="
+          grep -r "protobuf" gradle.properties || true
+          grep -r "protobufVersion" build.gradle || true
+          grep -r "com.google.protobuf:protobuf" build.gradle | head -5 || true
+          cat gradle/libs.versions.toml | grep -i protobuf || true
+      
+      - name: Install build tools
+        run: |
+          brew install cmake ninja
+      
+      - name: Build abseil static
+        run: |
+          cd $HOME
+          git clone --depth 1 --branch 20240722.0 https://github.com/abseil/abseil-cpp.git
+          cd abseil-cpp
+          mkdir build && cd build
+          cmake .. \
+            -GNinja \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_CXX_STANDARD=17 \
+            -DCMAKE_OSX_DEPLOYMENT_TARGET=10.15 \
+            -DABSL_BUILD_TESTING=OFF \
+            -DABSL_USE_GOOGLETEST_HEAD=OFF \
+            -DCMAKE_INSTALL_PREFIX=$HOME/local \
+            -DBUILD_SHARED_LIBS=OFF \
+            -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+          ninja
+          ninja install
+      
+      - name: Build protobuf static (latest)
+        run: |
+          cd $HOME
+          # Try the latest protobuf
+          git clone --depth 1 https://github.com/protocolbuffers/protobuf.git
+          cd protobuf
+          mkdir build && cd build
+          cmake .. \
+            -GNinja \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_CXX_STANDARD=17 \
+            -DCMAKE_OSX_DEPLOYMENT_TARGET=10.15 \
+            -Dprotobuf_BUILD_TESTS=OFF \
+            -Dprotobuf_ABSL_PROVIDER=package \
+            -DCMAKE_PREFIX_PATH=$HOME/local \
+            -DCMAKE_INSTALL_PREFIX=$HOME/local \
+            -DBUILD_SHARED_LIBS=OFF \
+            -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+          ninja
+          ninja install
+          
+          echo "=== Check for QualifiedClassName ==="
+          grep -r "QualifiedClassName" $HOME/local/include/google/protobuf/ || echo "Not found in headers"
+      
+      - name: Compile grpc-java plugin
+        run: |
+          cd compiler/src/java_plugin/cpp
+          
+          clang++ -std=c++17 -mmacosx-version-min=10.15 \
+            -I$HOME/local/include \
+            -c java_generator.cpp -o java_generator.o
+          
+          clang++ -std=c++17 -mmacosx-version-min=10.15 \
+            -I$HOME/local/include \
+            -c java_plugin.cpp -o java_plugin.o
+          
+          clang++ -mmacosx-version-min=10.15 \
+            java_generator.o java_plugin.o \
+            $HOME/local/lib/libprotoc.a \
+            $HOME/local/lib/libprotobuf.a \
+            $HOME/local/lib/libutf8_validity.a \
+            $HOME/local/lib/libabsl_*.a \
+            -lc++ \
+            -framework CoreFoundation \
+            -o protoc-gen-grpc-java
+          
+          echo "=== Checking dependencies ==="
+          otool -L protoc-gen-grpc-java
+          
+          file protoc-gen-grpc-java
+          ls -lh protoc-gen-grpc-java
+          
+          ./protoc-gen-grpc-java --version || echo "Done"
+          
+          mkdir -p $GITHUB_WORKSPACE/output
+          cp protoc-gen-grpc-java $GITHUB_WORKSPACE/output/
+      
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: protoc-gen-grpc-java-arm64-static
+          path: output/protoc-gen-grpc-java